Architectural Specs

The audio over Wi-Fi servers shall be capable of broadcasting multiple audio sources over Ethernet to a WLAN access point. Smart phones and tablets shall be able to receive the audio broadcast through a proprietary app. The app shall be made available for download to smart devices through the Apple and Android app stores or other web locations at no charge.

Audio over Wi-Fi servers shall be available in two models; one with two audio inputs and the other with 4 to 16 audio inputs. Each server shall be rack mountable in 1 RU 19” rack space and capable of receiving line level audio inputs. There shall be audio input indication through LED’s shown on the front panel of the server. There shall be no user control interface on the server to prevent tampering and facilitate easy setup and operation.

Each server shall have an external power supply for use in multiple countries with the appropriate line cord and have compliance for the countries specified.

The proprietary app shall have the ability to play venue intro videos or video ads. It shall be capable of showing sliding ad banners, URL hyperlinks, and PDF documents, which are customer supplied and supported. It shall be capable of timing ads based upon the time of day and day of the week. The user venue shall be able to customize the app with their own colors, logos and channel names. Channel selections shall allow customization with channel logos, images and colors.

All app features shall be managed through a web application cloud service as well as have the capability to push updates to each server remotely. Each server shall be accessible through a LAN manager web application to locally manage server network configurations.

Architectural Specs

The audio over Wi-Fi servers shall be capable of broadcasting multiple audio sources over Ethernet to a WLAN access point. Smart phones and tablets shall be able to receive the audio broadcast through a proprietary app. The app shall be made available for download to smart devices through the Apple and Android app stores or other web locations at no charge.

Audio over Wi-Fi servers shall be available in two models; one with two audio inputs and the other with 4 to 16 audio inputs. Each server shall be rack mountable in 1 RU 19” rack space and capable of receiving line level audio inputs. There shall be audio input indication through LED’s shown on the front panel of the server. There shall be no user control interface on the server to prevent tampering and facilitate easy setup and operation.

Each server shall have an external power supply for use in multiple countries with the appropriate line cord and have compliance for the countries specified.

The proprietary app shall have the ability to play venue intro videos or video ads. It shall be capable of showing sliding ad banners, URL hyperlinks, and PDF documents, which are customer supplied and supported. It shall be capable of timing ads based upon the time of day and day of the week. The user venue shall be able to customize the app with their own colors, logos and channel names. Channel selections shall allow customization with channel logos, images and colors.

All app features shall be managed through a web application cloud service as well as have the capability to push updates to each server remotely. Each server shall be accessible through a LAN manager web application to locally manage server network configurations.

Configurations

Architectural Specs

The receiver shall be a digital receiver operating on the 1.9 GHz unlicensed PCS band utilizing Frequency-Hopping Spread Spectrum (FHSS) techniques allowing interference free one-way communication. The device shall employ a multiply layer security protocol consisting of a 40-bit (pin free) group subscription, 32-bit authentication and a 64-bit encryption scheme enabling secure conversations. It shall be easy to pair and form groups via Near-field communication (NFC), Docking Station or Software Suite. It shall be simple to operate with a Power and Volume Up and Down buttons. It shall allow up to 10 simultaneous groups to operate in the same area. It shall be powered via a removable non-proprietary rechargeable lithium-ion battery or via an optional 3 AAA alkaline battery compartment.

The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 40 Hz – 15 kHz (±3 dB). The device shall incorporate automatic battery charging circuitry to charge and maintain the lithium-Ion battery either via the micro USB port or via the docking station using the additional charging contacts on the bottom of the device.

Architectural Specs

The audio over Wi-Fi servers shall be capable of broadcasting multiple audio sources over Ethernet to a WLAN access point. Smart phones and tablets shall be able to receive the audio broadcast through a proprietary app. The app shall be made available for download to smart devices through the Apple and Android app stores or other web locations at no charge.

Audio over Wi-Fi servers shall be available in two models; one with two audio inputs and the other with 4 to 16 audio inputs. Each server shall be rack mountable in 1 RU 19” rack space and capable of receiving line level audio inputs. There shall be audio input indication through LED’s shown on the front panel of the server. There shall be no user control interface on the server to prevent tampering and facilitate easy setup and operation.

Each server shall have an external power supply for use in multiple countries with the appropriate line cord and have compliance for the countries specified.

The proprietary app shall have the ability to play venue intro videos or video ads. It shall be capable of showing sliding ad banners, URL hyperlinks, and PDF documents, which are customer supplied and supported. It shall be capable of timing ads based upon the time of day and day of the week. The user venue shall be able to customize the app with their own colors, logos and channel names. Channel selections shall allow customization with channel logos, images and colors.

All app features shall be managed through a web application cloud service as well as have the capability to push updates to each server remotely. Each server shall be accessible through a LAN manager web application to locally manage server network configurations.

Configurations

Architectural Specs

The receiver shall be a digital receiver operating on the 1.9 GHz unlicensed PCS band utilizing Frequency-Hopping Spread Spectrum (FHSS) techniques allowing interference free one-way communication. The device shall employ a multiply layer security protocol consisting of a 40-bit (pin free) group subscription, 32-bit authentication and a 64-bit encryption scheme enabling secure conversations. It shall be easy to pair and form groups via Docking Station or Software Suite. It shall be simple to operate with a Power and Volume Up and Down buttons. It shall allow up to 10 simultaneous groups to operate in the same area. It shall be powered via a removable non-proprietary rechargeable lithium-ion battery or via an optional 3 AAA alkaline battery compartment.

The receiver shall have a 3.5 mm TRRS CTIA compliant headphone connection allowing operation with a standard style headphones. It shall have a multifunction Green/White LED allowing On/Off, Charging and Battery status. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 40 Hz – 15 kHz (±3 dB). The device shall incorporate automatic battery charging circuitry to charge and maintain the lithium-Ion battery either via the micro USB port or via the docking station using the additional charging contacts on the bottom of the device.

Architectural Specs

The audio over Wi-Fi servers shall be capable of broadcasting multiple audio sources over Ethernet to a WLAN access point. Smart phones and tablets shall be able to receive the audio broadcast through a proprietary app. The app shall be made available for download to smart devices through the Apple and Android app stores or other web locations at no charge.

Audio over Wi-Fi servers shall be available in two models; one with two audio inputs and the other with 4 to 16 audio inputs. Each server shall be rack mountable in 1 RU 19” rack space and capable of receiving line level audio inputs. There shall be audio input indication through LED’s shown on the front panel of the server. There shall be no user control interface on the server to prevent tampering and facilitate easy setup and operation.

Each server shall have an external power supply for use in multiple countries with the appropriate line cord and have compliance for the countries specified.

The proprietary app shall have the ability to play venue intro videos or video ads. It shall be capable of showing sliding ad banners, URL hyperlinks, and PDF documents, which are customer supplied and supported. It shall be capable of timing ads based upon the time of day and day of the week. The user venue shall be able to customize the app with their own colors, logos and channel names. Channel selections shall allow customization with channel logos, images and colors.

All app features shall be managed through a web application cloud service as well as have the capability to push updates to each server remotely. Each server shall be accessible through a LAN manager web application to locally manage server network configurations.

Architectural Specs

The audio over Wi-Fi servers shall be capable of broadcasting multiple audio sources over Ethernet to a WLAN access point. Smart phones and tablets shall be able to receive the audio broadcast through a proprietary app. The app shall be made available for download to smart devices through the Apple and Android app stores or other web locations at no charge.

Audio over Wi-Fi servers shall be available in two models; one with two audio inputs and the other with 4 to 16 audio inputs. Each server shall be rack mountable in 1 RU 19” rack space and capable of receiving line level audio inputs. There shall be audio input indication through LED’s shown on the front panel of the server. There shall be no user control interface on the server to prevent tampering and facilitate easy setup and operation.

Each server shall have an external power supply for use in multiple countries with the appropriate line cord and have compliance for the countries specified.

The proprietary app shall have the ability to play venue intro videos or video ads. It shall be capable of showing sliding ad banners, URL hyperlinks, and PDF documents, which are customer supplied and supported. It shall be capable of timing ads based upon the time of day and day of the week. The user venue shall be able to customize the app with their own colors, logos and channel names. Channel selections shall allow customization with channel logos, images and colors.

All app features shall be managed through a web application cloud service as well as have the capability to push updates to each server remotely. Each server shall be accessible through a LAN manager web application to locally manage server network configurations.

Configurations

LCS-120-01 Wi-Fi/RF Base System

Architectural Specs

Base COMBO Wi-Fi/RF ASSISTIVE LISTENING SYSTEM

The assistive listening system shall be capable of broadcasting audio over both the 72 MHz frequency and 2.4/5.0 GHz Wi-Fi frequencies, allowing users to receive the audio through a receiving device with ear speaker/headphones or directly to Bluetooth enabled hearing aids. The 72 MHz frequency shall be transmitted to a receiving device as defined below. The 2.4/5.0 GHz frequency shall be transmitted to personal smart devices such as cellular phones and tablets through a free application as defined below.

The LT-803-072-P1 Stationary 3-Channel RF Transmitter Package 1 (72 MHz) shall include (1) LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz), (1) LA-106 Telescoping Top Mounted Antenna (72 MHz), and (1) LA-304 Assistive Listening Notification Signage Kit. The stationary RF transmitter shall be capable of broadcasting on one of any three channels – A (72.100 MHz), E (72.900 MHz) or H (75.900 MHz). The transmitter shall have a SNR of 62 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ‘± 3 dB at 72 MHz. It shall have two (2) mixing audio inputs. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-803-072-P1 is specified.

The stationary audio over Wi-Fi server shall be capable of delivering 1 mono / 2 stereo audio channels in 1 RU space and shall be capable of connecting to and residing on the venues existing local area network (LAN) via a single RJ45 Ethernet connection. Venue content and channel listings shall be administered through a cloud managed service. The audio over Wi-Fi server shall be compatible with the latest Wi-Fi IEEE 802.11 standards and capable of handling up to 1,000 simultaneous users. The Listen Technologies Audio Everywhere MX5-1 is specified.

The RF receiver shall be capable of receiving on three wide band channels. The receiver shall have an SNR of 62 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ± 3 dB at 72 MHz. The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo earphone(s). The unit shall operate with (2) AA batteries. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of (2) alkaline or (2) NiMH batteries. The Listen LR-200-072 is specified.

The Wi-Fi receiver shall be personal smart devices such as cellular phones and tablets as provided by the users. The audio over Wi-Fi shall be delivered to the personal smart device via a free application downloaded onto the personal device. When the free application is launched, the personal smart device will automatically connect to the audio over Wi-Fi server. The application will list the available channels and play the audio when selected by the user. The free application shall also be capable of containing user documentation and instructions in addition to ads, promotional banners and videos. The app shall be customizable, allowing the venue to load in its color pallet and logos. The Listen Technologies Audio Everywhere App is specified.

Configurations

LCS-122-01-D Wi-Fi/RF Advanced System (Dante)

Architectural Specs

ADVANCED COMBO Wi-Fi/IR w/Dante ASSISTIVE LISTENING SYSTEM

The assistive listening system shall be capable of broadcasting audio over both Infrared (IR) and 2.4/5.0 GHz Wi-Fi frequencies, allowing users to receive the audio through a receiving device with ear speaker/headphones or directly to Bluetooth enabled hearing aids. The (IR) system shall be transmitted to a receiving device as defined in 2.01 B&D. The 2.4/5.0 GHz frequency shall be transmitted to personal smart devices such as cellular phones and tablets through a free application as defined in 2.01C&E. The system shall be capable of connecting to a Dante™ network via an external audio interface adapter (POE required).

The Infrared Transmitter/Radiator Combo shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3, and 3.8 MHz. Channel carrier selections shall be set via a back panel rotary switches. The Transmitter/Radiator coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission when using the LR-4200-IR. The device shall have a timer that shuts off the carriers after 15 minutes when no audio is present at the inputs. The device shall have two (2) independent mixing audio inputs, one for each transmission channel. The Transmitter/Radiator shall provide both power and audio signal for up to Four (4) Expansion Radiators over CAT-5e cable. The Listen Technologies LT-84 is specified.

The stationary audio over Wi-Fi server shall be capable of delivering 1 mono / 2 stereo audio channels in 1 RU space and shall be capable of connecting to and residing on the venues existing local area network (LAN) via a single RJ45 Ethernet connection. Venue content and channel listings shall be administered through a cloud managed service. The audio over Wi-Fi server shall be compatible with the latest Wi-Fi IEEE 802.11 standards and capable of handling up to 1,000 simultaneous users. The Listen Technologies Audio Everywhere MX5-1 is specified.

The IR receiver shall be capable of receiving on one of four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receiver shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receiver shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receiver shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receiver shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receiver shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receiver shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receiver shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receiver shall have additional charging contacts to allow for multiple charging options. The receiver shall have a signal-to-noise ratio of 60 dB or greater, THD less than 2% and shall have an audio frequency response of 63 Hz – 15 kHz (±3 dB). The Listen LR-4200-IR is specified.

The Wi-Fi receiver shall be personal smart devices such as cellular phones and tablets as provided by the users. The audio over Wi-Fi shall be delivered to the personal smart device via a free application downloaded onto the personal device. When the free application is launched, the personal smart device will automatically connect to the audio over Wi-Fi server. The application will list the available channels and play the audio when selected by the user. The free application shall also be capable of containing user documentation and instructions in addition to ads, promotional banners and videos. The app shall be customizable, allowing the venue to load in its color pallet and logos. The Listen Technologies Audio Everywhere App is specified.

Configurations

LCS-122-01 Wi-Fi/IR Advanced System

Architectural Specs

ADVANCED COMBO Wi-Fi/IR ASSISTIVE LISTENING SYSTEM

The assistive listening system shall be capable of broadcasting audio over both Infrared (IR) and 2.4/5.0 GHz Wi-Fi frequencies, allowing users to receive the audio through a receiving device with ear speaker/headphones or directly to Bluetooth enabled hearing aids. The IR system shall be transmitted to a receiving device as defined below. The 2.4/5.0 GHz frequency shall be transmitted to personal smart devices such as cellular phones and tablets through a free application as defined below.

The Infrared Transmitter/Radiator Combo shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3, and 3.8 MHz. Channel carrier selections shall be set via a back panel rotary switches. The Transmitter/Radiator coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission when using the LR-4200-IR. The device shall have a timer that shuts off the carriers after 15 minutes when no audio is present at the inputs. The device shall have two (2) independent mixing audio inputs, one for each transmission channel. The Transmitter/Radiator shall provide both power and audio signal for up to Four (4) Expansion Radiators over CAT-5e cable. The Listen Technologies LT-84 is specified.

The stationary audio over Wi-Fi server shall be capable of delivering 1 mono / 2 stereo audio channels in 1 RU space and shall be capable of connecting to and residing on the venues existing local area network (LAN) via a single RJ45 Ethernet connection. Venue content and channel listings shall be administered through a cloud managed service. The audio over Wi-Fi server shall be compatible with the latest Wi-Fi IEEE 802.11 standards and capable of handling up to 1,000 simultaneous users. The Listen Technologies Audio Everywhere MX5-1 is specified.

The IR receiver shall be capable of receiving on one of four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receiver shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receiver shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receiver shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receiver shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receiver shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receiver shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receiver shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receiver shall have additional charging contacts to allow for multiple charging options. The receiver shall have a signal-to-noise ratio of 60 dB or greater, THD less than 2% and shall have an audio frequency response of 63 Hz – 15 kHz (±3 dB). The Listen LR-4200-IR is specified.

The Wi-Fi receiver shall be personal smart devices such as cellular phones and tablets as provided by the users. The audio over Wi-Fi shall be delivered to the personal smart device via a free application downloaded onto the personal device. When the free application is launched, the personal smart device will automatically connect to the audio over Wi-Fi server. The application will list the available channels and play the audio when selected by the user. The free application shall also be capable of containing user documentation and instructions in addition to ads, promotional banners and videos. The app shall be customizable, allowing the venue to load in its color pallet and logos. The Listen Technologies Audio Everywhere App is specified.

Configurations

LCS-121-01-D Wi-Fi/RF Advanced System (Dante)

Architectural Specs

ADVANCED COMBO Wi-Fi/RF w/DANTE ASSISTIVE LISTENING SYSTEM

The assistive listening system shall be capable of broadcasting audio over both the 72 MHz frequency and 2.4/5.0 GHz Wi-Fi frequencies, allowing users to receive the audio through a receiving device with ear speaker/headphones or directly to Bluetooth enabled hearing aids. The 72 MHz frequency shall be transmitted to a receiving device as defined below. The 2.4/5.0 GHz frequency shall be transmitted to personal smart devices such as cellular phones and tablets through a free application as defined below. The system shall be capable of connecting to a Dante™ network via an external audio interface adapter.

The stationary RF transmitter shall be capable of broadcasting on 57 channels. The transmitter shall have an SNR of 80 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ±3 dB at 72 MHz. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen Technologies LT-800-072 is specified.

The stationary audio over Wi-Fi server shall be capable of delivering 1 mono / 2 stereo audio channels in 1 RU space and shall be capable of connecting to and residing on the venues existing local area network (LAN) via a single RJ45 Ethernet connection. Venue content and channel listings shall be administered through a cloud managed service. The audio over Wi-Fi server shall be compatible with the latest Wi-Fi IEEE 802.11 standards and capable of handling up to 1,000 simultaneous users. The Listen Technologies Audio Everywhere MX5-1 is specified.

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The Listen LR-4200-072 is specified.

The Wi-Fi receiver shall be personal smart devices such as cellular phones and tablets as provided by the users. The audio over Wi-Fi shall be delivered to the personal smart device via a free application downloaded onto the personal device. When the free application is launched, the personal smart device will automatically connect to the audio over Wi-Fi server. The application will list the available channels and play the audio when selected by the user. The free application shall also be capable of containing user documentation and instructions in addition to ads, promotional banners and videos. The app shall be customizable, allowing the venue to load in its color pallet and logos. The Listen Technologies Audio Everywhere App is specified.

Configurations

LCS-121-01 Wi-Fi Advanced System

Architectural Specs

ADVANCED COMBO Wi-Fi/RF ASSISTIVE LISTENING SYSTEM

The assistive listening system shall be capable of broadcasting audio over both the 72 MHz frequency and 2.4/5.0 GHz Wi-Fi frequencies, allowing users to receive the audio through a receiving device with ear speaker/headphones or directly to Bluetooth enabled hearing aids. The 72 MHz frequency shall be transmitted to a receiving device as defined below. The 2.4/5.0 GHz frequency shall be transmitted to personal smart devices such as cellular phones and tablets through a free application as defined below.

The stationary RF transmitter shall be capable of broadcasting on 57 channels. The transmitter shall have an SNR of 80 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ±3 dB at 72 MHz. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen Technologies LT-800-072 is specified.

The stationary audio over Wi-Fi server shall be capable of delivering 1 mono / 2 stereo audio channels in 1 RU space and shall be capable of connecting to and residing on the venues existing local area network (LAN) via a single RJ45 Ethernet connection. Venue content and channel listings shall be administered through a cloud managed service. The audio over Wi-Fi server shall be compatible with the latest Wi-Fi IEEE 802.11 standards and capable of handling up to 1,000 simultaneous users. The Listen Technologies Audio Everywhere MX5-1 is specified.

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The Listen LR-4200-072 is specified.

The Wi-Fi receiver shall be personal smart devices such as cellular phones and tablets as provided by the users. The audio over Wi-Fi shall be delivered to the personal smart device via a free application downloaded onto the personal device. When the free application is launched, the personal smart device will automatically connect to the audio over Wi-Fi server. The application will list the available channels and play the audio when selected by the user. The free application shall also be capable of containing user documentation and instructions in addition to ads, promotional banners and videos. The app shall be customizable, allowing the venue to load in its color pallet and logos. The Listen Technologies Audio Everywhere App is specified.

Configurations

LCS-120-01-D Wi-Fi/RF Base System (Dante)

Architectural Specs

Base COMBO Wi-Fi/RF w/Dante ASSISTIVE LISTENING SYSTEM

The assistive listening system shall be capable of broadcasting audio over both the 72 MHz frequency and 2.4/5.0 GHz Wi-Fi frequencies, allowing users to receive the audio through a receiving device with ear speaker/headphones or directly to Bluetooth enabled hearing aids. The 72 MHz frequency shall be transmitted to a receiving device as defined below. The 2.4/5.0 GHz frequency shall be transmitted to personal smart devices such as cellular phones and tablets through a free application as defined below. The system shall be capable of connecting to a Dante™ network via an external audio interface adapter.

The LT-803-072-P1 Stationary 3-Channel RF Transmitter Package 1 (72 MHz) shall include (1) LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz), (1) LA-106 Telescoping Top Mounted Antenna (72 MHz), and (1) LA-304 Assistive Listening Notification Signage Kit. The stationary RF transmitter shall be capable of broadcasting on one of any three channels – A (72.100 MHz), E (72.900 MHz) or H (75.900 MHz). The transmitter shall have a SNR of 62 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ‘± 3 dB at 72 MHz. It shall have two (2) mixing audio inputs. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-803-072-P1 is specified.

The stationary audio over Wi-Fi server shall be capable of delivering 1 mono / 2 stereo audio channels in 1 RU space and shall be capable of connecting to and residing on the venues existing local area network (LAN) via a single RJ45 Ethernet connection. Venue content and channel listings shall be administered through a cloud managed service. The audio over Wi-Fi server shall be compatible with the latest Wi-Fi IEEE 802.11 standards and capable of handling up to 1,000 simultaneous users. The Listen Technologies Audio Everywhere MX5-1 is specified.

The RF receiver shall be capable of receiving on three wide band channels. The receiver shall have an SNR of 62 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ± 3 dB at 72 MHz. The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo earphone(s). The unit shall operate with (2) AA batteries. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of (2) alkaline or (2) NiMH batteries. The Listen LR-200-072 is specified.

The Wi-Fi receiver shall be personal smart devices such as cellular phones and tablets as provided by the users. The audio over Wi-Fi shall be delivered to the personal smart device via a free application downloaded onto the personal device. When the free application is launched, the personal smart device will automatically connect to the audio over Wi-Fi server. The application will list the available channels and play the audio when selected by the user. The free application shall also be capable of containing user documentation and instructions in addition to ads, promotional banners and videos. The app shall be customizable, allowing the venue to load in its color pallet and logos. The Listen Technologies Audio Everywhere App is specified.

Configurations

Architectural Specs

The transceiver shall be a digital transceiver operating on the 1.9 GHz unlicensed PCS band utilizing Frequency-Hopping Spread Spectrum (FHSS) techniques allowing interference free full duplex communication. The device shall employ a multiply layer security protocol consisting of a 40-bit (pin free) group subscription, 32-bit authentication and a 64-bit encryption scheme enabling secure conversations. It shall be easy to pair and form groups via Near-field communication (NFC), Docking Station or Software Suite. It shall be simple to operate with a Power, Talk and Volume Up and Down buttons. It shall allow up to 10 simultaneous groups to operate in the same area. It shall be powered via a removable non-proprietary rechargeable lithium-ion battery or via an optional 3 AAA alkaline battery compartment.

The transceiver shall have a 3.5 mm TRRS CTIA compliant headset connection allowing operation with a standard electret style headset. It shall have a built-in-microphone with auto detect circuitry if users elect to use their personal ear buds. It shall have a 64 x 128 OLED display with auto diming allowing display of all current status (group name, volume levels, mute, battery status, time remaining, signal strength, unit ID, mode, etc.) The device shall have a leader clip and when inserted the unit automatically designates itself as a leader and allows the leader/presenter to control pairing/group creation and leader talkback modes (listen only, leader only or group).

The transceiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 40 Hz – 15 kHz (±3 dB). The device shall incorporate automatic battery charging circuitry to charge and maintain the lithium-Ion battery either via the micro USB port or via the docking station using the additional charging contacts on the bottom of the device.

Configurations

D10-1-Dante D Series Single Loop Driver (10 Amps) – Dante

Architectural Specs

The D Series Single Loop Driver shall continuously deliver 10 A(RMS) when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to 1450 sq. m (15,607 sq. ft.) each. The driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall include a specific network RJ45 input connection enabling Dante plug and play network audio. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

The D10-1-DANTE D Series Single Loop Driver (10 Amps) – Dante is specified.

Qualification and Certification of the Contractor Only AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Top of Form

Standard Compliance

This product is designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of BS7594. To fully meet requirements of these standards, correct design, installation, commissioning and maintenance are required. All specification data has been compiled in accordance with IEC62489-1, the international standard for audio frequency induction loop equipment. Specification data should only be compared with data compliant to this standard. This product is CE and RCM marked to all relevant safety and EMC standards, and is NRTL (ETL) approved for sale in North America.

Configurations

D10-1 D Series Single Loop Driver (10 Amps)

Architectural Specs

The D Series Single Loop Driver shall continuously deliver 10 A(RMS) when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to 1450 sq. m (15,607 sq. ft.) each. The driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

The D10-1 D Series Single Loop Driver (10 Amps) is specified.

Qualification and Certification of the Contractor Only AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Top of Form

Standard Compliance

This product is designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of BS7594. To fully meet requirements of these standards, correct design, installation, commissioning and maintenance are required. All specification data has been compiled in accordance with IEC62489-1, the international standard for audio frequency induction loop equipment. Specification data should only be compared with data compliant to this standard. This product is CE and RCM marked to all relevant safety and EMC standards, and is NRTL (ETL) approved for sale in North America.

Configurations

D7-2-Dante D Series MultiLoop™ Driver (7.0 Amps x 2) – Dante

Architectural Specs

The D Series MultiLoop™ Driver shall continuously deliver two (2) x 7.0 A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to two (2) x 650 sq. m (6997 sq. ft.) each. In a MultiLoop Low Loss application it shall cover up to 3,300 sq. m (35,520 sq. ft.). The MultiLoop driver shall internally incorporate two (2) loop drivers and one (1) accurate and stable 90° audio phase shifter. The MultiLoop driver with the proper design shall have reduced spill to no more than 1.5 m (4.9 ft.). The MultiLoop driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall include a specific network RJ45 input connection enabling Dante plug and play network audio. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

Qualification and Certification of the Contractor Only AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Top of Form

Standard Compliance

This product is designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of BS7594. To fully meet requirements of these standards, correct design, installation, commissioning and maintenance are required. All specification data has been compiled in accordance with IEC62489-1, the international standard for audio frequency induction loop equipment. Specification data should only be compared with data compliant to this standard.

Configurations

D7-2 D Series MultiLoop™ Driver (7.0 Amps x 2)

Architectural Specs

The D Series MultiLoop™ Driver shall continuously deliver two (2) x 7.0 A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to two (2) x 650 sq. m (6997 sq. ft.) each. In a MultiLoop Low Loss application it shall cover up to 3,300 sq. m (35,520 sq. ft.). The MultiLoop driver shall internally incorporate two (2) loop drivers and one (1) accurate and stable 90° audio phase shifter. The MultiLoop driver with the proper design shall have reduced spill to no more than 1.5 m (4.9 ft.). The MultiLoop driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

The D7-2 D Series MultiLoop™ Driver (7.0 Amps x 2) is specified.

Qualification and Certification of the Contractor Only AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Top of Form

Standard Compliance

This product is designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of BS7594. To fully meet requirements of these standards, correct design, installation, commissioning and maintenance are required. All specification data has been compiled in accordance with IEC62489-1, the international standard for audio frequency induction loop equipment. Specification data should only be compared with data compliant to this standard.

Configurations

LKS-4-A1 ListenTALK Portable ADA Kit

Architectural Specs

Furnish a portable assistive listening system for use by the hearing-impaired. The system shall be capable of operating on the 1.9 GHz unlicensed PCS band utilizing Frequency-Hopping Spread Spectrum (FHSS) techniques allowing interference free full duplex communication. The devices shall employ a multiply layer security protocol consisting of a 40-bit (pin free) group subscription, 32-bit authentication and a 64-bit encryption scheme enabling secure conversations. They shall be easy to pair and form groups via Near-field communication (NFC), Docking Station or Software Suite. The system devices shall be simple to operate with a Power, Talk and Volume Up and Down buttons. The devices shall allow up to 10 simultaneous groups to operate in the same area. They shall be powered via a removable non-proprietary rechargeable lithium-ion battery or via an optional 3 AAA alkaline battery compartment.

The system devices shall have a 3.5 mm TRRS CTIA compliant headset connection allowing operation with a standard electret style headset. They shall have a built-in-microphone with auto detect circuitry if users elect to use their personal ear buds. They shall have a 64 x 128 OLED display with auto diming allowing display of all current status (group name, volume levels, mute, battery status, time remaining, signal strength, unit ID, mode, etc.) The devices shall have a leader clip and when inserted the unit automatically designates itself as a leader and allows the leader/presenter to control pairing/group creation and leader talkback modes (listen only, leader only or group).

The system devices shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 40 Hz – 15 kHz (±3 dB). The devices shall incorporate automatic battery charging circuitry to charge and maintain the lithium-Ion battery either via the micro USB port or via the docking station using the additional charging contacts on the bottom of the devices.

Configurations

*01, 02, 03, and 04 designation refers to international plug type (type B, G, C, and I) for the power supply.

Architectural Specs

The Docking Station 4 shall be capable of charging, programming and storing up to 4 ListenTALK products. The unit’s power supply shall accept an input voltage of 100 to 240AC, 50/60 H and shall deliver 12 VDC, 5 A at 60 watts to the case. The unit shall have a USB type B connection allowing programming via ListenTALK Software Suite. The unit shall have a pairing button allowing easy pairing and group formation. The unit shall have a status button allowing docked device status to be checked while remaining in the docking station pockets. The unit shall have equivalent compliance with UL, CE, RCM, RoHS and WEEE.

Configurations

*01, 02, 03, and 04 designation refers to international plug type (type B, G, C, and I) for the power supply.

Architectural Specs

The Docking Station 16 shall be capable of charging, programming and storing up to 16 ListenTALK products. The unit’s power supply shall accept an input voltage of 100 to 240AC, 50/60 H and shall deliver 12 VDC, 5 A at 60 watts to the case. The unit shall have a USB type B connection allowing programming via ListenTALK Software Suite. The unit shall have a pairing button allowing easy pairing and group formation. The unit shall have a status button allowing docked device status to be checked while remaining in the docking station pockets. The unit shall have equivalent compliance with UL, CE, RCM, RoHS and WEEE.

Configurations

*01, 02, 03, and 04 designation refers to international plug type (type B, G, C, and I) for the power supply.

Architectural Specs

The Docking Station Case 16 shall be capable of transporting, charging, programming and storing up to 16 ListenTALK products. The unit’s power supply shall accept an input voltage of 100 to 240AC, 50/60 H and shall deliver 12 VDC, 5 A at 60 watts to the case. The unit shall have a USB type B connection allowing programming via ListenTALK Software Suite. The unit shall have a pairing button allowing easy pairing and group formation. The unit shall have a status button allowing docked device status to be checked while remaining in the docking station pockets. The unit shall be capable of being locked. The unit shall have equivalent compliance with UL, CE, RCM and RoHS.

Configurations

LR-5200-072KR Advanced Intelligent DSP RF Receiver (72 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 21 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LR-5200-072KR is specified.

Configurations

LR-4200-072KR Intelligent DSP RF Receiver (72 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 21 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The Listen LR-4200-072KR is specified.

Configurations

LT-800-072KR Stationary RF Transmitter (72 MHz) (S. Korea)

Architectural Specs

The stationary RF transmitter shall be capable of broadcasting on 21 channels. The transmitter shall have an SNR of 70 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ±3 dB at 72 MHz. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-800-072KR is specified.

Configurations

LT-700-072KR Portable Display RF Transmitter (72 MHz) (S. Korea)

Architectural Specs

The portable RF display transmitter shall be capable of broadcasting on 21 channels. The unit shall incorporate a microphone sensitivity switch. The device shall broadcast on both wide and narrow band channels with a SNR of 70 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘±3 dB or greater. The device will incorporate a mute switch. The battery door shall be capable of being mechanically locked. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, and RF signal strength. The portable transmitter shall incorporate automatic battery charging circuitry for recharging of NiMH batteries, with the ability to charge via a wall transformer or drop-in charging case. The Listen LT-700-072KR is specified.

Configurations

D10-2 D Series MultiLoop™ Driver (10 Amps x 2)

Architectural Specs

The D Series MultiLoop™ Driver shall continuously deliver two (2) x 10 A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to two (2) x 1,450 sq. m (15,607 sq. ft.) each. In a MultiLoop Low Loss application it shall cover up to 3,300 sq. m (35,520 sq. ft.). The MultiLoop driver shall internally incorporate two (2) loop drivers and one (1) accurate and stable 90° audio phase shifter. The MultiLoop driver with the proper design shall have reduced spill to no more than 1.5 m (4.9 ft.). The MultiLoop driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%.The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

The D10-2 D Series MultiLoop™ Driver (10 Amps x 2) is specified.

Qualification and Certification of the ContractorOnly AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Standard Compliance

This product is designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of BS7594. To fully meet requirements of these standards, correct design, installation, commissioning and maintenance are required.
All specification data has been compiled in accordance with IEC62489-1, the international standard for audio frequency induction loop equipment. Specification data should only be compared with data compliant to this standard.
This product is CE and RCM marked to all relevant safety and EMC standards, and is NRTL (ETL) approved for sale in North America.

Configurations

D14-2-Dante D Series MultiLoop™ Driver (14 Amps x 2) – Dante

Architectural Specs

The D Series MultiLoop™ Driver shall continuously deliver two (2) x 14 A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to two (2) x 1,450 sq. m (15,607 sq. ft.) each. In a MultiLoop Low Loss application it shall cover up to 3,300 sq. m (35,520 sq. ft.). The MultiLoop driver shall internally incorporate two (2) loop drivers and one (1) accurate and stable 90° audio phase shifter. The MultiLoop driver with the proper design shall have reduced spill to no more than 1.5 m (4.9 ft.). The MultiLoop driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%.The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall include a specific network RJ45 input connection enabling Dante plug and play network audio. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

Qualification and Certification of the ContractorOnly AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Standard Compliance

This product is designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of BS7594. To fully meet requirements of these standards, correct design, installation, commissioning and maintenance are required.
All specification data has been compiled in accordance with IEC62489-1, the international standard for audio frequency induction loop equipment. Specification data should only be compared with data compliant to this standard.
This product is CE and RCM marked to all relevant safety and EMC standards, and is NRTL (ETL) approved for sale in North America.

Configurations

D10-2-Dante D Series MultiLoop™ Driver (10 Amps x 2) – Dante

Architectural Specs

The D Series MultiLoop™ Driver shall continuously deliver two (2) x 10 A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to two (2) x 1,450 sq. m (15,607 sq. ft.) each. In a MultiLoop Low Loss application it shall cover up to 3,300 sq. m (35,520 sq. ft.). The MultiLoop driver shall internally incorporate two (2) loop drivers and one (1) accurate and stable 90° audio phase shifter. The MultiLoop driver with the proper design shall have reduced spill to no more than 1.5 m (4.9 ft.). The MultiLoop driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%.The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall include a specific network RJ45 input connection enabling Dante plug and play network audio. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

Qualification and Certification of the ContractorOnly AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Standard Compliance

This product is designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of BS7594. To fully meet requirements of these standards, correct design, installation, commissioning and maintenance are required.
All specification data has been compiled in accordance with IEC62489-1, the international standard for audio frequency induction loop equipment. Specification data should only be compared with data compliant to this standard.
This product is CE and RCM marked to all relevant safety and EMC standards, and is NRTL (ETL) approved for sale in North America.

Configurations

LR-4200-150 Intelligent DSP RF Receiver (150 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 32 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The Listen LR-4200-150 is specified.

Configurations

LR-5200-150 Advanced Intelligent DSP RF Receiver (150 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 32 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LR-5200-150 is specified.

Configurations

D14-2 D Series MultiLoop Driver (14 Amps x 2)

Architectural Specs

The D Series MultiLoop driver shall continuously deliver two (2) x 14 A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

In a Perimeter Loop application it shall cover up to two (2) x 13,993 sq. ft. (1,300 sq. m) each. In a MultiLoop Low Loss application it shall cover up to 35,520 sq. ft. (3,300 sq. m). The MultiLoop driver shall internally incorporate two (2) loop drivers and one (1) accurate and stable 90° audio phase shifter. The MultiLoop driver with the proper design shall have reduced spill to no more than 4.9 ft. (1.5 m). The MultiLoop driver shall have a frequency response of at least 80Hz to 6.5kHz +/- 3 dB with THD+N less than 0.2%.The unit shall incorporate (AGC) Audio Gain Control optimized for speech with a compression dynamic range of >36 dB audio processing. The unit shall incorporate Dual Slope Metal Loss Correction to rectify frequency loss caused by adjacent metal structures. The unit shall incorporate built in test signals and shall be fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts. The unit shall occupy one rack space and rack mount brackets shall be included. The MultiLoop driver is tested to and compliant with: IEC 62489-1 induction loop amplifier performance standard.

The MLD9 MultiLoop™ Driver (9.0A) is specified.

Qualification and Certification of the ContractorOnly AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Configurations

Configurations

LT-800-072-P1 Stationary RF Transmitter Package 1 (72 MHz)

Architectural Specs

The LT-800-072-P1 Stationary RF Transmitter Package 1 (72 MHz) shall include (1) LT-800-072 Stationary RF Transmitter (72 MHz), (1) LA-106 Telescoping Top Mounted Antenna (72 MHz), and (1) LA-304 Assistive Listening Notification Signage Kit. The transmitter shall be capable of broadcasting on 57 channels with a range of up to 700 ft (213 m). The transmitter shall have an SNR of 80 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ±3 dB at 72 MHz. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-800-072-P1 is specified.

Configurations

LT-803-072-P1 Stationary 3-Channel RF Transmitter Package 1 (72 MHz)

Architectural Specs

The LT-803-072-P1 Stationary 3-Channel RF Transmitter Package 1 (72 MHz) shall include (1) LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz), (1) LA-106 Telescoping Top Mounted Antenna (72 MHz), and (1) LA-304 Assistive Listening Notification Signage Kit. The stationary RF transmitter shall be capable of broadcasting on one of any three channels – A (72.100 MHz), E (72.900 MHz) or H (75.900 MHz). The transmitter shall have a SNR of 62 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ‘± 3 dB at 72 MHz. It shall have two (2) mixing audio inputs. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-803-072-P1 is specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-56-216 Listen iDSP Advanced Level I Stationary RF System (216 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100 Hz to 5 kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-53-216 Listen iDSP Prime Level I Stationary RF System (216 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-54-216 Listen iDSP Prime Level II Stationary RF System (216 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The ALS system shall have 70dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-55-216 Listen iDSP Prime Level III Stationary RF System (216 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiple charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-70-216 Listen iDSP Prime Level IV Stationary RF System (216 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

R1 Loopworks Measure Receiver

Architectural Specs

The Loopworks measure receiver shall measure the background noise by determining the level of background magnetic field present in the intended location for the loop system. It shall measure the field strength delivered by the system. The meter shall measure the performance of the frequency spectrum required by IEC60118:2006 standard. It shall have an audio output to allow to the signal to be heard through a headphone or earspeaker. The R1 Loopworks Measure Receiver is specified.

Configurations

LS-91-01 ListenIR iDSP Level II System (North America)

Architectural Specs

Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) independent mixing audio inputs, one for each transmission channel. Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA input. The system shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via an LED. The system shall provide Power and RF signal for up to Four (4) Expansion Radiators over CAT-5 cable for additional coverage.

The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall be tuned to a single channel and users shall not be able to change the channel. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receivers shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receivers shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receivers shall have additional charging contacts to allow for multiple charging options. The receivers shall be covered by a hassle free limited lifetime warranty.

Configurations

LS-92-01 ListenIR iDSP Level III System (North America)

Architectural Specs

Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) independent mixing audio inputs, one for each transmission channel. Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA input. The system shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via an LED. The system shall provide Power and RF signal for up to Four (4) Expansion Radiators over CAT-5 cable for additional coverage.

The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall be tuned to a single channel and users shall not be able to change the channel. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receivers shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receivers shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receivers shall have additional charging contacts to allow for multiple charging options. The receivers shall be covered by a hassle free limited lifetime warranty.

Configurations

LS-93-01 ListenIR Advanced iDSP Level I System (North America)

Architectural Specs

Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) independent mixing audio inputs, one for each transmission channel. Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA input. The system shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via an LED. The system shall provide Power and RF signal for up to Four (4) Expansion Radiators over CAT-5 cable for additional coverage.

The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receivers shall have additional charging contacts to allow for multiply charging options. The receivers shall be covered by a hassle free limited lifetime warranty.

Configurations

LS-94-01 ListenIR Advanced iDSP Level II System (North America)

Architectural Specs

Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) independent mixing audio inputs, one for each transmission channel. Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA input. The system shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via an LED. The system shall provide Power and RF signal for up to Four (4) Expansion Radiators over CAT-5 cable for additional coverage.

The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receivers shall have additional charging contacts to allow for multiply charging options. The receivers shall be covered by a hassle free limited lifetime warranty.

Configurations

LS-95-01 ListenIR Advanced iDSP Level III System (North America)

Architectural Specs

Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) independent mixing audio inputs, one for each transmission channel. Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA input. The system shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via an LED. The system shall provide Power and RF signal for up to Four (4) Expansion Radiators over CAT-5 cable for additional coverage.

The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receivers shall have additional charging contacts to allow for multiply charging options. The receivers shall be covered by a hassle free limited lifetime warranty.

Configurations

LS-88-01 Portable ListenIR iDSP System (North America)

Architectural Specs

Furnish an iDSP portable IR assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall include an omnidirectional table top microphone for audio pickup in the room. The system shall be transported or stored in a portable carrying case when the system is not in use.

The system receivers shall be capable of receiving on one (1) of four (4) wide band channels (carriers), (2.3 MHz), (2.8 MHz), (3.3 MHz) and (3.8 MHz). The receivers shall be tuned to a single channel and users shall not be able to change the channel. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receivers shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receivers shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device.

Configurations

Architectural Specs

Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on four (4) mono or stereo carriers; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 40,000 ft² (3716 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) mixing audio inputs, one (1) balanced XLR/phone input and one (1) unbalanced stereo RCA input. The system shall have the following audio controls: input level, transmit level, contour level and stereo on/off control. The system shall have an audio processor that is capable of automatic gain control and limiting. The system radiator(s) shall be powered via CAT-5 cabling and the RF signal shall be provided via 50 ohm coaxial cables. The system shall provide delay compensation when radiator(s) are added for additional coverage.

The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall be tuned to a single channel and users shall not be able to change the channel. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receivers shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receivers shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receivers shall have additional charging contacts to allow for multiple charging options. The receivers shall be covered by a hassle free limited lifetime warranty.

Configurations

LS-70-072 Listen iDSP Prime Level IV Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-71-072 Listen iDSP Advanced Level IV Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LR-4200-IR Intelligent DSP IR Receiver

Architectural Specs

The IR receiver shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receiver shall be tuned to a single channel and users shall not be able to change the channel. The receiver shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receiver shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receiver shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receiver shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receiver shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receiver shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receiver shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receiver shall have additional charging contacts to allow for multiple charging options. The receiver shall have a signal-to-noise ratio of 60 dB or greater, THD less than 2% and shall have an audio frequency response of 63 Hz – 15 kHz (±3 dB). The receiver shall be covered by a hassle free limited lifetime warranty. The Listen LR-4200-IR is specified.

Configurations

LR-5200-IR Advanced Intelligent DSP IR Receiver

Architectural Specs

The IR receiver shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receiver shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receiver shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receiver shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receiver shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receiver shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receiver shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receiver shall have additional charging contacts to allow for multiply charging options. The receiver shall have a signal-to-noise ratio of 60 dB or greater, THD less than 2% and shall have an audio frequency response of 63 Hz – 15 kHz (±3 dB). The receiver shall be covered by a hassle free limited lifetime warranty. The Listen LR-5200-IR is specified.

Configurations

LR-4200-IR-P1 Intelligent DSP IR Receiver Package 1

Architectural Specs

LR-4200-IR-P1 Intelligent DSP IR Receiver Package 1 shall include (1) LR-4200-IR Intelligent DSP IR Receiver, (1) LA-430 Intelligent Ear Phone/Neck Loop Lanyard and (1) LA-401 Intelligent Ear Speaker. The IR receiver shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receiver shall be tuned to a single channel and users shall not be able to change the channel. The receiver shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receiver shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receiver shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receiver shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receiver shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receiver shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receiver shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receiver shall have additional charging contacts to allow for multiple charging options. The receiver shall have a signal-to-noise ratio of 60 dB or greater, THD less than 2% and shall have an audio frequency response of 63 Hz – 15 kHz (±3 dB). The receiver shall be covered by a hassle free limited lifetime warranty. The Listen LR-4200-IR-P1 is specified.

Configurations

LR-5200-IR-P1 Advanced Intelligent DSP IR Receiver Package 1

Architectural Specs

LR-5200-IR-P1 Advanced Intelligent DSP IR Receiver Package 1 shall include (1) LR-5200-IR Advanced Intelligent DSP IR Receiver, (1) LA-430 Intelligent Ear Phone/Neck Loop Lanyard and (1) LA-401 Intelligent Ear Speaker. The IR receiver shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receiver shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receiver shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receiver shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receiver shall employ a unique iDSPTM noise reduction technology. The receiver shall be fully programmable via PC software. The receiver shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receiver shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receiver shall have additional charging contacts to allow for multiply charging options. The receiver shall have a signal-to-noise ratio of 60 dB or greater, THD less than 2% and shall have an audio frequency response of 63 Hz – 15 kHz (±3 dB). The receiver shall be covered by a hassle free limited lifetime warranty. The Listen LR-5200-IR-P1 is specified.

Configurations

Configurations

LDS-5200-072 LDS Meeting House Receiver

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB (SQ On) / 60 dB (SQ Off) or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel name. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LDS-5200-072 is specified.

The LDS-5200-072 LDS Meeting House Receiver has Super Quiet (SQ) turned Off with the Listen button programmed to single channel A, the display programmed to read “Chapel” and Jack Sense turned On.

Configurations

LDS-800-072-01 LDS Meeting House Transmitter

Architectural Specs

The stationary RF transmitter shall be capable of broadcasting on 57 channels. The transmitter shall have an SNR of 80 dB (SQ On) / 60 dB (SQ Off) or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ±3 dB at 72 MHz. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LDS-800-072-01 is specified.

The LDS-800-072-01 LDS Meeting House Transmitter is set to and locked on channel A with Super Quiet (SQ) turned Off.

Configurations

LDS-01-01 LDS Meeting House System

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB (SQ On) / 60 dB (SQ Off) or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel name. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LDS-01-01 is specified.

Configurations

LDS-4200-072 LDS Meeting House Receiver

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB (SQ On) / 60 dB (SQ Off) or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel name. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LDS-4200-072 is specified.

Configurations

LDS-4200-072-P0 LDS Receiver Package

Architectural Specs

The LDS-4200-072-P0 LDS Receiver Package shall include (1) LDS-4200-072 Meeting House Receiver and (1) LA-421 1-Port USB Charger. The package shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB (SQ On) / 60 dB (SQ Off) or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel name. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LDS-4200-072-P0 is specified.

Configurations

LR-4200-072-P1 LDS Receiver Package 1

Architectural Specs

The LDS-4200-072-P1 LDS Receiver Package 1 shall include (1) LDS-4200-072 Meeting House Receiver, (1) LA-430 Intelligent Ear Phone/Neck Loop Lanyard, (1) LA-401 Intelligent Ear Speaker and (1) LA-421 1-Port USB Charger. The package shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB (SQ On) / 60 dB (SQ Off)or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel name. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The device shall have an integrated ear phone and neck loop lanyard that uses an ear speaker with a cable length of no more that 13 inches (33cm). The Listen LDS-4200-072-P1 is specified.

Configurations

LS-90-01 ListenIR iDSP Level I System (North America)

Architectural Specs

Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft² (2787 m²) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) independent mixing audio inputs, one for each transmission channel. Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA input. The system shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via an LED. The system shall provide Power and RF signal for up to Four (4) Expansion Radiators over CAT-5 cable for additional coverage.

The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall be tuned to a single channel and users shall not be able to change the channel. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids. The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name. The receivers shall employ a unique iDSPTM noise reduction technology. The receivers shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receivers shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device. The receivers shall have additional charging contacts to allow for multiple charging options. The receivers shall be covered by a hassle free limited lifetime warranty.

Configurations

TP-K1 TalkPerfect Speech Transfer Kit 1

Architectural Specs

Furnish and install a speech transfer system designed to improve communication for fixed screen security counters. The system shall provide full duplex communication with built in feedback and echo suppression to maximize the audio gain before feedback. The system shall have two (2) microphone inputs suitable for unbalanced electret style microphones and two (2) speaker outputs with a frequency response of 20Hz – 10kHz, minimum load of 4 ohms and a maximum output level of + 14 dBu. The system shall have a 3.5mm staff override unbalanced line input/output to accommodate a staff headset. The system shall have fully adjustable audio gain adjustments with signal presence LEDs for both the staff and client side. The system shall have a configurable mute or PTT (Push to Talk) function for the staff side. The system shall have an unbalanced line output suitable to drive a CLD1 counter loop system for use with clients that have T-coil equipped hearing aids. The TP-K1 TalkPerfect Speech Transfer Kit 1 is specified.

Configurations

TP-K2 TalkPerfect Speech Transfer Kit 2

Architectural Specs

Furnish and install a speech transfer system designed to improve communication for fixed screen security counters. The system shall provide full duplex communication with built in feedback and echo suppression to maximize the audio gain before feedback. The system shall have two (2) microphone inputs suitable for unbalanced electret style microphones and two (2) speaker outputs with a frequency response of 20Hz – 10kHz, minimum load of 4 ohms and a maximum output level of + 14 dBu. The system shall have a 3.5mm staff override unbalanced line input/output to accommodate a staff headset. The system shall have fully adjustable audio gain adjustments with signal presence LEDs for both the staff and client side. The system shall have a configurable mute or PTT (Push to Talk) function for the staff side. The system shall have an unbalanced line output suitable to drive a CLD1 counter loop system for use with clients that have T-coil equipped hearing aids. The TP-K2 TalkPerfect Speech Transfer Kit 2 is specified.

Configurations

TP-K3 TalkPerfect Speech Transfer Kit 3

Architectural Specs

Furnish and install a speech transfer system designed to improve communication for fixed screen security counters. The system shall provide full duplex communication with built in feedback and echo suppression to maximize the audio gain before feedback. The system shall have two (2) microphone inputs suitable for unbalanced electret style microphones and two (2) speaker outputs with a frequency response of 20Hz – 10kHz, minimum load of 4 ohms and a maximum output level of + 14 dBu. The system shall have a 3.5mm staff override unbalanced line input/output to accommodate a staff headset. The system shall have fully adjustable audio gain adjustments with signal presence LEDs for both the staff and client side. The system shall have a configurable mute or PTT (Push to Talk) function for the staff side. The system shall have an unbalanced line output suitable to drive a CLD1 counter loop system for use with clients that have T-coil equipped hearing aids. The TP-K3 TalkPerfect Speech Transfer Kit 3 is specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 216 MHz . The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-50-216 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 72 MHz . The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-51-072 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 216 MHz . The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-51-216 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 72 MHz . The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-52-072 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 216 MHz . The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-52-216 products are specified.

Configurations

LS-53-072 Listen iDSP Prime Level I Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-54-072 Listen iDSP Prime Level II Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-55-072 Listen iDSP Prime Level III Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz). The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-56-072Listen iDSP Advanced Level I Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-57-072 Listen iDSP Advanced Level II Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary Lithium-ion battery. The device shall have additional charging contacts to allow multiply charging options. The ALS system shall have 80dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Configurations

LS-40-072 Listen Essentials Starter Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 3 wide band channels and be frequency agile. The ALS system shall have 62 dB SNR or greater, end-to-end. Receivers shall be frequency agile to 3 wide band frequencies set with a “channel select” switch. The receivers will incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The receivers shall incorporate automatic battery charging circuitry for recharging of Ni-MH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-40-072 products are specified.

Configurations

LS-41-072 Listen Essentials Level 1 Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 3 wide band channels and be frequency agile. The ALS system shall have 62 dB SNR or greater, end-to-end. Receivers shall be frequency agile to 3 wide band frequencies set with a “channel select” switch. The receivers will incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The receivers shall incorporate automatic battery charging circuitry for recharging of Ni-MH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-41-072 products are specified.

Configurations

LS-42-072 Listen Essentials Level 2 Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 3 wide band channels and be frequency agile. The ALS system shall have 62dB SNR or greater, end-to-end. Receivers shall be frequency agile to 3 wide band frequencies set with a “channel select” switch. The receivers will incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The receivers shall incorporate automatic battery charging circuitry for recharging of Ni-MH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-42-072 products are specified.

Configurations

LS-43-072 Listen Essentials Level 3 Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 3 wide band channels and be frequency agile. The ALS system shall have 62dB SNR or greater, end-to-end. Receivers shall be frequency agile to 3 wide band frequencies set with a “channel select” switch. The receivers will incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The receivers shall incorporate automatic battery charging circuitry for recharging of Ni-MH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-43-072 products are specified.

Configurations

LS-44-072 Listen Classic Level I Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 17 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The receiver shall be capable of seeking channels. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-44-072 products are specified.

Configurations

LS-45-072 Listen Classic Level II Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 17 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The receiver shall be capable of seeking channels. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-45-072 products are specified.

Configurations

LS-46-072 Listen Classic Level III Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 17 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The receiver shall be capable of seeking channels. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-46-072 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-47-072 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 216 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-47-216 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-48-072 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 216 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-48-216 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-49-072 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 216 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-49-216 products are specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 72 MHz . The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-50-072 products are specified.

Configurations

ATT-UJ Universal Attenuator with 3.5mm & 1/4″ Jack Cables

Architectural Specs

The universal attenuator shall interface to 100 V line or low impedance speaker systems. It shall include screw terminals to allow connections to raw ended cables. It shall include the cables needed to interface to different hearing loop systems. The ATT-UJ Universal Attenuator is specified.

Configurations

Configurations

TP-DX TalkPerfect Duplex Amplifier

Architectural Specs

Furnish and install a speech transfer duplex amplifier designed to improve communication for fixed screen security counters. The device shall provide full duplex communication with built in feedback and echo suppression to maximize the audio gain before feedback. The device shall have two (2) microphone inputs suitable for unbalanced electret style microphones and two (2) speaker outputs with a frequency response of 20Hz – 10kHz, minimum load of 4 ohms and a maximum output level of + 14 dBu. The device shall have a 3.5mm staff override unbalanced line input/output to accommodate a staff headset. The device shall have fully adjustable audio gain adjustments with signal presence LEDs for both the staff and client side. The device shall have a configurable mute or PTT (Push to Talk) function for the staff side. The device shall have an unbalanced line output suitable to drive a CLD1 counter loop system for use with clients that have T-coil equipped hearing aids. The TP-DX TalkPerfect Duplex Amplifier is specified.

Configurations

Configurations

TP-K4 TalkPerfect Speech Transfer Kit 4

Architectural Specs

Furnish and install a speech transfer system designed to improve communication for fixed screen security counters. The system shall provide full duplex communication with built in feedback and echo suppression to maximize the audio gain before feedback. The system shall have two (2) microphone inputs suitable for unbalanced electret style microphones and two (2) speaker outputs with a frequency response of 20Hz – 10kHz, minimum load of 4 ohms and a maximum output level of + 14 dBu. The system shall have a 3.5mm staff override unbalanced line input/output to accommodate a staff headset. The system shall have fully adjustable audio gain adjustments with signal presence LEDs for both the staff and client side. The system shall have a configurable mute or PTT (Push to Talk) function for the staff side. The system shall have an unbalanced line output suitable to drive a CLD1 counter loop system for use with clients that have T-coil equipped hearing aids. The TP-K4 TalkPerfect Speech Transfer Kit 4 is specified.

Configurations

Architectural Specs

LR-5200-072-P1 Advanced Intelligent DSP RF Receiver Package 1 (72 MHz) shall include (1) LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz), (1) LA-430 Intelligent Ear Phone/Neck Loop Lanyard and (1) LA-401 Intelligent Ear Speaker. The package shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The device shall have an integrated ear phone and neck loop lanyard that uses an ear speaker with a cable length of no more than 13 inches (33cm).

Configurations

LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LR-5200-072 is specified.

Configurations

LR-4200-072-P1 Intelligent DSP RF Receiver Package 1 (72 MHz)

Architectural Specs

LR-4200-072-P1 Intelligent DSP RF Receiver Package 1 (72 MHz) shall include (1) LR-4200-072 Intelligent DSP RF Receiver (72 MHz), (1) LA-430 Intelligent Ear Phone/Neck Loop Lanyard and (1) LA-401 Intelligent Ear Speaker. The package shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The device shall have an integrated ear phone and neck loop lanyard that uses an ear speaker with a cable length of no more that 13 inches (33cm).

Configurations

LR-4200-216 Intelligent DSP RF Receiver (216 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The Listen LR-4200-216 is specified.

Architectural Specs

The Infrared Transmitter/Radiator Combo shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. Channel carrier selections shall be set via a back panel rotary switches. The Transmitter/Radiator coverage area shall be up to 30,000 ft² (2787 m²) with LR-4200-IR/LR-5200-IR receivers or 7,500 ft² (697 m²) with LR-42/LR-44 receivers in single channel mode. The device shall have a timer that shuts off the carriers after 15 minutes when no audio is present at the inputs. The Transmitter/Radiator shall have a SNR of 60 dB or better and THD of less than 2%. The device shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The device shall have two (2) independent mixing audio inputs, one for each transmission channel. Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA stereo summing input. The device shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via two (2) LEDs. The Transmitter/Radiator shall provide Power and RF signal for up to Four (4) Expansion Radiators over a single CAT-5e cable. The LT-84 is specified.

Configurations

LA-141 ListenIR Expansion Radiator (For LT-84 only)

Architectural Specs

The IR Expansion Radiator shall be capable of receiving four (4) mono carrier frequencies of; 2.3, 2.8, 3.3 and 3.8 MHz over a proprietary RJ-45 Expansion Link. The device shall be connected via a single CAT-5e cable (100 ft. (30 m) maximum) providing power and RF signal. The Expansion Radiator coverage area shall be up to 30,000 ft² (2787 m²) with LR-4200-IR/LR-5200-IR receivers or 7,500 ft² (697 m²) with LR-42/LR-44 receivers in single channel mode. The device shall deactivate the IR emitting LEDs after 15 minutes if no audio is present. When connected to a Trans-Radiator the device shall have a system audio performance of 60 dB SNR or better, THD of less than 2% and a frequency response of 63 Hz to 15 kHz, +/- 3db. The Expansion Radiator shall have an Expansion in and out RJ-45 connection allowing an additional Expansion Radiator to be connected (two per daisy chain, two daisy chains per Trans-Radiator) for up to four (4) Expansion Radiators in a system. The Expansion radiator shall provide delay compensation via two (2) rotary four (4) position switches for up to two (2) audio channels. The LA-141 is specified.

Configurations

Configurations

LR-4200-072 Intelligent DSP RF Receiver (72 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options. The Listen LR-4200-072 is specified.

Architectural Specs

The LA-401 Intelligent Ear Speaker shall provide an audio response of 20 Hz to 20 KHz with an impedance of 32 ohms. The device shall be easy to put on, easy to clean and shall provide a cable length of 13 in (33 cm) that reduces cable tangling. The device shall be open allowing direct sound to be heard by the user. The LA-401 is specified.

Architectural Specs

The LA-405 Universal Stereo Ear Buds shall provide an audio response of 20 Hz to 20 KHz with an impedance of 32 ohms. The device shall be easy to put on, easy to clean and shall provide a cable length of 13 in (33 cm) that reduces cable tangling. The device shall have replaceable foam cushions. The LA-405 is specified.

Architectural Specs

The LA-404 Universal Single Ear Bud shall provide an audio response of 20 Hz to 20 KHz with an impedance of 32 ohms. The device shall be easy to put on, easy to clean and shall provide a cable length of 13 in (33 cm) that reduces cable tangling. The device shall have replaceable foam cushion. The LA-404 is specified.

Architectural Specs

The LA-403 Universal Behind-the-Head Stereo Headphones shall provide an audio response of 20 Hz to 20 KHz with an impedance of 32 ohms. The device shall be easy to put on, easy to clean and shall provide a cable length of 13 in (33 cm) that reduces cable tangling. The device shall have replaceable ear cushions and option sanitary covers. The LA-403 is specified.

Architectural Specs

The LA-402 Universal Stereo Headphones shall provide an audio response of 20 Hz to 20 KHz with an impedance of 32 ohms. The device shall be easy to put on, easy to clean and shall provide a cable length of 13 in (33 cm) that reduces cable tangling. The device shall have replaceable ear cushions and option sanitary covers. The LA-402 is specified.

Configurations

LA-380-01 Intelligent 12-Unit Charging/Carrying Case (North America)*

*01, 02, 03, and 04 designation refers to international plug type (type B, G, C, and I) for the power supply.

Architectural Specs

The LA-380-01 Intelligent 12-unit charging/carrying case shall be capable of transport, charging and storing up to 12 intelligent products. The unit shall accept an input voltage of 100 to 240AC, 50/60 H and shall deliver 5.0 VCD, 8 A at 40 watts. The unit shall be capable of being locked. The unit shall have equivalent compliance with UL, CE and RoHS. The LA-380-01 Intelligent 12-unit charging/carrying case is specified.

Configurations

Configurations

LA-421-01 1-Port USB Charger (North America)

Architectural Specs

LA-421-01 1-Port USB Charger shall provide charging of a Listen Intelligent portable product for use in North America. The device shall have an input voltage of 100-240VAC and an output of 5.0VDC, 1000 mA. The LA-421-01 is specified.

Configurations

LR-5200-216 Advanced Intelligent DSP RF Receiver (216 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit. The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options. The Listen LR-5200-216 is specified.

Configurations

PWT Adhesive Installation/Warning Tape 164 ft. (50 m)

Architectural Specs

The installation/warning tape shall be of high quality. It shall be white in color. It shall have blue printed warning and hearing impaired logos. Tape shall be 164 ft. (50 m) in length. The PWT Adhesive Installation/Warning Tape is specified.

Configurations

LT-800-216-01 Stationary RF Transmitter (216 MHz) (North America)

Architectural Specs

The stationary RF transmitter shall be capable of broadcasting on 57 channels. The transmitter shall have an SNR of 70 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ± 3 dB at 216 MHz. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-800-216 is specified.

Configurations

Architectural Specs

The portable RF display transmitter shall be capable of broadcasting on 57 channels. The unit shall incorporate a microphone sensitivity switch. The device shall broadcast on both wide and narrow band channels with a SNR of 80 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘±3 dB at 72 MHz, or of 50 Hz to 10 kHz, ‘±3 dB at 216 MHz. The device will incorporate a mute switch. The battery door shall be capable of being mechanically locked. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, and RF signal strength. The portable transmitter shall incorporate automatic battery charging circuitry for recharging of NiMH batteries, with the ability to charge via a wall transformer or drop in charging case. The Listen LT-700-072 or LT-700-216 is specified.

Configurations

Architectural Specs

The Stationary RFReceiver/Power Amplifier shall be capable of receiving on 57 wide and narrow band channels in the frequency ranges of either 72 MHz or 216 MHz. The receiver shall be programmable to electronically lock out unneeded channels. The device shall have an adjustable squelch with an LED indication. The device shall have an audio frequency response of 50 Hz to 15k Hz, ‘±3 dB at 72 MHz, or of 50 Hz to 10 kHz, ‘±3 dB at 216 MHz. The signal to noise ratio shall be 80dB or greater. The device will have an integrated 15 watt power amplifier capable of driving an 8 ohm speaker. The device shall be rack mountable and shall have the capability of a remote antenna. The device shall incorporate an LCD display that indicates channel and RF signal strength. The Listen LR-100 is specified.

Configurations

MLD9 MultiLoop™ Driver

Architectural Specs

The MultiLoop driver shall continuously deliver two (2) x 9.2 A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

Qualification and Certification of the ContractorOnly AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Configurations

MLD7 MultiLoop™ Driver (6.4A)

Architectural Specs

The MultiLoop drivershall continuously deliver two (2) x 6.4A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

Qualification and Certification of the ContractorOnly AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Configurations

MLD5 MultiLoop™ Driver (5.0A)

Architectural Specs

The MultiLoop driver shall continuously deliver 2 x 5A(RMS) per channel when excited with a 1 kHz sine wave as measured with the IEC 62489-1 induction loop amplifier performance standard. Only drivers that have been tested and compliant to this IEC 62489-1 specification shall be accepted, no other substitutions will be allowed.

Only AV Integration Firms/Dealers that have completed and are currently certified under specific manufacturer training to test, install, and commission along with providing a Certificate of Conformity in accordance with the IEC 60118-4 standard shall be eligible to bid upon this portion of this bid.

Configurations

Configurations

EM195A Desktop Microphone with Cardioid-Directional Pickup

Architectural Specs

The desktop microphone shall be an cardioid-direction pickup element. It shall include a weighted base and rotating mounting coupler. Microphone shall have a 3.5mm mono connector. The EM-1.2 is specified.

Configurations

LP-IL-1 Hearing Loop Receiver with Lanyard Package

Architectural Specs

The hearing loop receiver shall have a 3.5mm audio connector for connecting an ear speaker or headphones. The receiver shall have a turn knob for controlling On/Off and volume. It shall be powered off of a high capacity alkaline 9V battery. The receiver shall include a lanyard. The LP-IL-1 is specified.

Configurations

LR-IL-1 Hearing Loop Receiver with Lanyard

Architectural Specs

The hearing loop receiver shall have a 3.5mm audio connector for connecting an ear speaker or headphones. The receiver shall have a turn knob for controlling On/Off and volume. It shall be powered off of a high capacity alkaline 9V battery. The receiver shall include a lanyard. The LR-IL-1 is specified.

Configurations

ILD500 Professional Loop Driver (6.4 Amps)

Architectural Specs

The audio hearing loop driver shall, in accordance with IEC60118-4, continuously deliver 6.4 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 7530 sqft. (700 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil equipped hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The unit shall occupy one rack space and rack mount brackets shall be included. The ILD500 Professional Loop Driver is specified.

Configurations

CLD1-CB Compact Loop Driver with Boundary Microphone

Architectural Specs

The audio hearing loop driver shall, in accordance with IEC60118-4, continuously deliver 2.4 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 377 sqft. (35 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. It shall include a boundary microphone with cardioid direction pickup. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The CLD1-CB Compact Loop Driver is specified.

Configurations

CLD1-CD Compact Loop Driver with Desktop Microphone

Architectural Specs

The audio hearing loop driver shall, in accordance with IEC60118-4, continuously deliver 2.4 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 377 sqft. (35 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. It shall include a desktop microphone with cardioid-direction pickup. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The CLD1-CD Compact Loop Driver is specified.

Configurations

CLD1-CT Compact Loop Driver with Tie Clip Microphone

Architectural Specs

The audio hearing loop driver shall, in accordance with IEC60118-4, continuously deliver 2.4 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 377 sqft. (35 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. It shall include a tie clip microphone with omni-direction pickup. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The CLD1-CT Compact Loop Driver is specified.

Configurations

CLD1-CX Compact Loop Driver (No Mic)

Architectural Specs

The audio hearing loop driver shall, in accordance with IEC60118-4, continuously deliver 2.4 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 377 sqft. (35 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The CLD1-CX Compact Loop Driver is specified.

Configurations

CLD1-XX Compact Loop Driver (No Mic, No Loop)

Architectural Specs

The audio hearing loop driver shall, in accordance with IEC60118-4, continuously deliver 2.4 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 377 sqft. (35 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil equipped hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The CLD1-XX Compact Loop Driver is specified.

Configurations

CMR3 Hearing Loop Calibrated Measuring Receiver

Architectural Specs

The hearing loop calibrated receiver shall measure the audio performance within ±0.25 dB of the frequency range of the hearing loop system. It shall include a 3.5 mm balanced connection. It shall include a switch to toggle between flat or A-weighted filter. The receiver shall include an LED to indicate battery condition. It shall include the ability to accept two (2) AA alkaline batteries. It shall have a battery life of approximately 200 hrs. The CMR3 Hearing Loop Calibrated Receiver is specified.

Configurations

FSM Field Strength Meter

Architectural Specs

The field strength meter shall measure the background noise by determining the level of background magnetic field present in the intended location for the loop system. It shall measure the field strength delivered by the system. The meter shall measure the performance of the frequency spectrum required by IEC60118:2006 standard. It shall have an audio output to allow to the signal to be heard through a headphone or earspeaker. The meter shall include a LED graph with a wide view angle that is color coded. It shall accept two (2) AA alkaline batteries and display an illuminated LED when the battery is at acceptable level. The FSM Field Strength Meter is specified.

Configurations

FSM+SCC Field Strength Meter with Signal Connection Cables

Architectural Specs

The field strength meter shall measure the background noise by determining the level of background magnetic field present in the intended location for the loop system. It shall measure the field strength delivered by the system. The meter shall measure the performance of the frequency spectrum required by IEC60118:2006 standard. It shall have an audio output to allow to the signal to be heard through a headphone or earspeaker. The meter shall include a LED graph with a wide view angle that is color coded. It shall accept two (2) AA alkaline batteries and display an illuminated LED when the battery is at acceptable level. It shall include signal connection cables to allow testing with other devices. The FSM Field Strength Meter is specified.

Configurations

ILD100DC Professional Loop Driver (3.4 Amps)

Architectural Specs

The audio hearing loop driver shall, in accordance with IEC60118-4, continuously deliver 3.4 A (RMS) when excited with a 1 KHz sine wave. It shall cover an area of at least 2,150 sqft. (200 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 KHz – 3 dB with THD+N less than 0.5%. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil equipped hearing aid. The unit shall incorporate 2 microphone inputs, 1 line input, tone control and voice controlled switching (VOX). The ILD100DC Professional Loop Driver is specified.

Configurations

Architectural Specs

The direct burial cable shall provide the protection to allow the cable to be installed in soil or concrete. It shall be heat and oil resistant and flame retardant. The DBC2.5 Direct Burial Cable is specified.

Configurations

CLS1 Installation Loop Driver (3.5 Amps)

Architectural Specs

The Installation Loop Driver shall, in accordance with IEC60118-4, continuously deliver 3.3 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 2,150 sqft. (200 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The unit shall be wall mounted and all cables shall be terminated within the wall enclosure. The CLS1 Installation Loop Driver is specified.

Configurations

CLS2 Installation Loop Driver (4.9 Amps)

Architectural Specs

The Installation Loop Driver shall, in accordance with IEC60118-4, continuously deliver 4.9 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 4,300 sqft. (400 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3 dB with THD+N less than 0.2%. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The unit shall be wall mounted and all cables shall be terminated within the wall enclosure. The CLS2 Installation Loop Driver is specified.

Configurations

ILD1000G Professional Loop Driver (9.2 Amps)

Architectural Specs

The professional loop driver shall, in accordance with IEC60118-4, continuously deliver 9.2 A (RMS) when excited with a continuous 1 kHz sine wave. It shall cover an area of at least 14,000 sqft. (1,300 m²) with a room aspect ratio 3:1 according to IEC 60118-4:2006 standard. The driver shall have a frequency response of at least 80 Hz to 6.5 kHz +/- 3dB with THD+N less than 0.2%. The unit shall incorporate audio processing to maximize the intelligibility for individuals with a t-coil equipped hearing aid. The unit shall incorporate metal loss correction to rectify frequency caused adjacent metal structures. The unit shall occupy one rack space and rack mount brackets shall be included. The ILD1000G Professional Loop Driver is specified.

Architectural Specs

The portable RF transmitter shall be capable of broadcasting on 32 channels. The unit shall incorporate a microphone sensitivity switch. The device shall broadcast on both wide and narrow band channels with a SNR of 80 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz (‘±3 dB). The device will incorporate a mute switch. The battery door shall be capable of being mechanically locked. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, and RF signal strength. The device shall be able to enable companding. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The portable transmitter shall incorporate automatic battery charging circuitry for recharging of NiMH batteries, with the ability to charge via a wall transformer or drop in charging case. The Listen LT-700-150 is specified.

Configurations

LT-800-150-04 Stationary RF Transmitter (150 MHz) (Australia)

Architectural Specs

The stationary RF transmitter shall be capable of broadcasting on 32 channels. The transmitter shall have an SNR of 80 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15 kHz (‘±3 dB). It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-800-150 is specified.

Configurations

LT-800-863-03 Stationary RF Transmitter (863 MHz) (Euro)

Architectural Specs

The stationary RF transmitter shall be capable of broadcasting on 17 channels. Channel tuning shall be capable of being locked. The transmitter shall have a SNR of 70 dB or greater. The output power shall be adjustable to quarter, half or full. The device shall have an audio frequency response of 50 Hz to 15 kHz, ‘±3 dB. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: Input Levels, Mix Level, adjustable low pass filter (contour), headphone output (monitor). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-800-863 is specified.

Configurations

Architectural Specs

The stationary RF transmitter shall be capable of broadcasting on one of any three channels – A (72.100 MHz), E (72.900 MHz) or H (75.900 MHz). The transmitter shall have a SNR of 62 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ‘± 3 dB at 72 MHz. It shall have two (2) mixing audio inputs. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-803-072 is specified.

Configurations

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 3 wide band channels and be frequency agile. The ALS system shall have 62dB SNR or greater, end-to-end. Receivers shall be frequency agile to 3 wide band frequencies set with a “channel select” switch. The receivers will incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The receivers shall incorporate automatic battery charging circuitry for recharging of Ni-MH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LP-3CV-072-01 products are specified.

Configurations

Architectural Specs

The Stationary RFReceiver/Power Amplifier shall be capable of receiving on 57 wide and narrow band channels in the frequency ranges of either 72 MHz or 216 MHz. The receiver shall be programmable to electronically lock out unneeded channels. The device shall have an adjustable squelch with an LED indication. The device shall have an audio frequency response of 50 Hz to 15k Hz, ‘±3 dB at 72 MHz, or of 50 Hz to 10 kHz, ‘±3 dB at 216 MHz. The signal to noise ratio shall be 80dB or greater. The device will have an integrated 15 watt power amplifier capable of driving an 8 ohm speaker. The device shall be rack mountable and shall have the capability of a remote antenna. The device shall incorporate an LCD display that indicates channel and RF signal strength. The Listen LR-100 is specified.

Architectural Specs

The RF receiver shall be capable of receiving on three wide band channels.The receiver shall have an SNR of 62 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 72 MHz. The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo earphone(s). The unit shall operate with (2) AA batteries. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of (2) alkaline or (2) NiMH batteries. The Listen LR-200-072 is specified.

Configurations

LR-400-072 Portable Display RF Receiver (72 MHz)

LR-400-216 Portable Display RF Receiver (216 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz and 50 Hz – 10 kHz (‘±3 dB) at 216 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The Listen LR-400-072 or LR-400-216 is specified.

Configurations

LR-400-863 Portable Display RF Receiver (863 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 17 wide band channels with a SNR of 70 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz to 15 kHz (‘±3 dB). The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall be able to function in both DX and Local mode. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The Listen LR-400-863 is specified.

Configurations

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘± 3 dB at 72 MHz and 50 – 10 kHz (‘±3dB) at 216 MHz. The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The Listen LR-500-072 or LR-500-216 is specified.

Architectural Specs

The RF receiver shall be capable of receiving on 17 wide band channels with a SNR of 70dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall be able to be locked on a single channel. The device shall have an adjustable squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘±3 dB. The device will incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, and RF signal strength. The receiver shall be able to function in both DX and Local mode. The unit shall operate off of 2 AA batteries. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The Listen LR-500-863 is specified.

*01, 02, 03, and 04 designation refers to international plug type (type B, G, C, and I) for the power supply.

Architectural Specs

The charging and storage platform shall accommodate eight (8) receivers and eight (8) rechargeable battery packs. The platform shall independently charge each receiver. A bicolor LED shall be provided to show the status of the charging process. The platform shall be capable of being mounted on a flat or vertical surface. The unit shall employ a universal power supply that shall be UL/CSA, FCC, IC and CE, RoHS certified. The LA-350 is specified.

Configurations

LA-351

Architectural Specs

A storage and distribution platform shall be provided that will accommodate eight (8) receivers. The platform shall be capable of being mounted on a flat or vertical surface.The unit shall be FCC, Industry Canada, CE, RoHS certified.The LA-351 is specified.

Architectural Specs

The stethoscope IR receiver shall be capable of receiving on four (4) carriers (2.3, 2.8, 3.3, 3.8 MHz) and the channel shall be displayed on one (1) of four (4) front panel LEDs. The receiver shall be capable of being locked on a channel. The receiver shall be capable of receiving a stereo signal on each of the four carriers. The receiver shall have a SNR of 60 dB or greater and have built in squelch control. The device shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db and shall have distortion of less than 2%. The device shall operate for 30 hours with two (2) AAA alkaline batteries and 15 hours with two (2) AAA NiMH rechargeable batteries. The receiver shall be covered by a limited lifetime warranty. The LR-42 is specified.

Architectural Specs

The Lanyard IR Receiver shall be capable of receiving on four (4) carriers (2.3, 2.8, 3.3, 3.8 MHz) and the channel shall be displayed on one (1) of four (4) front panel LEDs. The receiver will accept mono or stereo earphones with a 3.5mm connector. The receiver shall be capable of being locked on a channel. The receiver shall be capable of receiving a stereo signal on each of the four carriers. The receiver shall have a SNR of 60 dB or greater and have built in squelch control. The device shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db and shall have distortion of less than 2%. The device shall operate for 30 hours with two AAA alkaline batteries and 15 hours with two AAA NiMH rechargeable batteries. The receiver shall be covered by a limited lifetime warranty. The LR-44 is specified.

Configurations

*01, 02, 03, and 04 designation refers to international plug type (type B, G, C, and I) for the power supply.

Architectural Specs

The Stationary IR Transmitter shall be capable of broadcasting on four (4) mono or stereo carriers; 2.3, 2.8, 3.3 and 3.8 MHz. Channel Selection shall be capable of being locked. Multiple transmitters shall be capable of being daisy-chained together to transmit up to four (4) channels simultaneously. The transmitter shall have a timer that shuts off the carriers after 30 minutes when no audio is present at the transmitter. The transmitter shall have a SNR of 60 dB or better. The device shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. It shall have two (2) mixing audio inputs, one (1) balanced XLR/phone input and one (1) unbalanced RCA input. The device shall have the following audio controls:input level, transmit level, contour level and stereo on/off control. The device shall have an audio processor that is capable of automatic gain control and limiting. The transmitter shall provide power for up to two (2) radiators over CAT-5 cable. The LT-82 is specified.

Configurations

LA-140-GY Stationary IR Radiator -Grey

LA-140-WH Stationary IR Radiator -White

Architectural Specs

The radiator-emitter shall have a single carrier transmitting area of no less than 10,000 ft² (929 m²) or greater for each radiator specified when used with specified receiver. The radiator shall be powered via CAT-5 cabling and the RF from the transmitter shall be carried by 50 ohm coaxial cable. The radiator shall have three indicating LEDs for power, no carrier present and carrier present. The radiator LEDs shall be deactivated after 30 minutes if there is no audio signal present from the transmitter. The radiator shall come in a white or grey color and shall include all of the mounting hardware capable of mounting the radiator on a wall, on a ceiling, in a corner, on a desk, on a mic stand or on a tripod. The Listen LA-140 is specified.

Configurations

Configurations

LT-800-072-01 Stationary RF Transmitter (72 MHz) (North America)

Architectural Specs

The stationary RF transmitter shall be capable of broadcasting on 57 channels. The transmitter shall have an SNR of 80 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ±3 dB at 72 MHz. It shall have two (2) mixing audio inputs and a mixed signal output. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-800-072 is specified.

Configurations

Architectural Specs

The portable RF display transmitter shall be capable of broadcasting on 57 channels. The unit shall incorporate a microphone sensitivity switch. The device shall broadcast on both wide and narrow band channels with a SNR of 80 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ‘±3 dB at 72 MHz, or of 50 Hz to 10 kHz, ‘±3 dB at 216 MHz. The device will incorporate a mute switch. The battery door shall be capable of being mechanically locked. The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, and RF signal strength. The portable transmitter shall incorporate automatic battery charging circuitry for recharging of NiMH batteries, with the ability to charge via a wall transformer or drop in charging case. The Listen LT-700-072 or LT-700-216 is specified.

Architectural Specs

The RF receiver shall be capable of receiving on 17 wide and narrow band channels.The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The receiver shall be capable of seeking channels. The device shall have an audio frequency response of 50 Hz – 15 kHz (‘±3 dB) at 72 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s). The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries. The Listen LR-300-072 is specified.

LR-300-072

ListenRF

A&E Specs

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